CVE-2026-9386 | Totolink A8000RU 7.1cu.643_b20200521 Web Management Interface /cgi-bin/cstecgi.cgi setLanguageCfg lang os command injection

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521 and classified as critical. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection.

This vulnerability is listed as CVE-2026-9386. The attack may be performed from remote. In addition, an exploit is available.